update for 3.6 emerging
diff --git a/Doc/tools/static/version_switch.js b/Doc/tools/static/version_switch.js
index edb025b..7289a4d 100644
--- a/Doc/tools/static/version_switch.js
+++ b/Doc/tools/static/version_switch.js
@@ -2,7 +2,8 @@
   'use strict';
 
   var all_versions = {
-    '3.5': 'dev (3.5)',
+    '3.6': 'dev (3.6)',
+    '3.5': '3.5',
     '3.4': '3.4',
     '3.3': '3.3',
     '3.2': '3.2',